About Four Sea Group, Inc.

Four Sea Group is a 100% employee-owned technical mission support company based in Denver, Colorado. Founded by an aerospace industry veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and industry partners. What sets FSG apart is the caliber of our people and the way we operate: we are a reputation-driven team of highly skilled engineers and technical experts who are brought in for their depth, judgment, and ability to solve difficult problems. As an employee-owned company, we have built our compensation, benefits, and culture around a simple idea: when the company succeeds, that value should go back to the people doing the work.

About the role

We are seeking a Ground Software Integration & Test Engineer to support software integration, verification, and test execution for complex satellite ground systems. This role is responsible for identifying and resolving integration issues, supporting automated verification efforts, and helping ensure reliable software behavior across command and control and mission management environments.

The ideal candidate brings strong software integration and verification experience, practical system-level understanding, and the ability to work independently within assigned scope while coordinating effectively across development, integration, and test teams.

What you'll do

• Support integration and verification activities for satellite ground software systems, including command and control and space vehicle mission management capabilities.
• Execute software-focused integration and test efforts within complex mission environments.
• Develop, maintain, and execute automated test scripts to support verification testing.
• Analyze complex integration failures and diagnose software deficiencies using logs, debugging tools, and root-cause analysis techniques.
• Identify patterns across related technical issues and clearly communicate findings to developers and stakeholders.
• Coordinate across software, systems, and test teams to resolve interaction problems and improve system behavior.
• Support issue tracking, test documentation, and status reporting for assigned integration and verification efforts.
• Contribute to continuous improvement in software integration, automation, and test execution practices.
• Participate in agile execution environments and support iterative delivery and verification activities.

Required Qualifications

• Bachelor’s degree in Engineering, Computer Science, Systems Engineering, Aerospace Engineering, or another relevant technical field, or equivalent practical experience.
• 6+ years of relevant experience in software integration, test, verification, or mission-focused engineering environments.
• Active TS/SCI Security Clearance
• Experience with satellite ground software system verification, including command and control and space vehicle mission management.
• Experience with Python for scripting, automation, or test support.
• Strong system architecture understanding, including the ability to comprehend how software and system components interact and identify integration points.
• Experience creating and maintaining automated test scripts used for verification testing.
• Strong troubleshooting and diagnostic reasoning skills, including experience analyzing integration failures, using logs and debugging tools, tracing root cause, and identifying issue patterns.
• Strong communication and collaboration skills, including the ability to clearly document issues and coordinate across development teams to resolve interaction problems.
• Ability to work independently on defined software integration and test efforts in a complex technical environment.

Preferred Qualifications

• Experience with Python automation frameworks, including BDD, Robot Framework, or similar tools.
• Experience with Matlab, C, or C++ in software integration, simulation, verification, or mission-support environments.
• Experience with MBSE concepts, models, or system artifacts that support integration and verification activities.
• Experience with the Atlassian Suite, Bitbucket, or similar collaboration and configuration management environments.
• Experience with Systems Tool Kit (STK).
• Experience working in Agile program execution environments.
• Experience with Docker, Kubernetes, or other containerized software integration/test environments.
• Experience supporting full CI/CD workflows, including GitLab.
• Experience in space, satellite ground, mission management, or other mission-critical defense environments.

Salary: The salary range for this role is $128,200.00 – $173,500.00 per year. The salary range provided is a good faith estimate representative of all experience levels. Four Sea Group, Inc. considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, key skills, and market conditions.   

Application Deadline: This position is expected to remain open through August 31st, 2026. The company may adjust this deadline based on business needs and will update the posting as appropriate.

Benefits: FSG is 100% ESOP-owned, which means our employees share directly in the company’s growth. We offer competitive compensation, a strong employer-funded retirement plan, generous PTO and flexible time-off options, comprehensive health, dental, vision, life, short-term disability, and long-term disability benefits, plus a generous medical stipend that gives employees more choice and flexibility. Our model is intentionally built to keep more value with employees through salary, retirement, benefits, and ownership. You will work alongside experienced engineers and technical leaders on meaningful defense, space, software, systems, and mission support work, with room to grow as a technical expert, mentor, program contributor, or future leader.
  
EEO Statement: Four Sea Group is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, sex, sexual orientation, gender identity or expression, religion, national origin, marital or familial status, age, disability, veteran status, military service or application for military service.